17 20 4
1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0
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0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 0
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0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1
5 7 6 8 9 1 3 5 6 7 8 9 3 2 4 1 5 3 5 8
1 9 15 6
